Deer Creek Sanitary Tunnel
SAK Construction LLC
NTP given on Sept. 4, 2017. Substantial completion of the tunnel is scheduled for Nov. 30, 2021, and final completion of the tunnel and dewatering pump station is scheduled for Sept. 9, 2022.
The $147.7 million job for the Metropolitan St. Louis Sewer District comprises 22,800 lf of tunnel, 19 ft diameter, with an average depth of 120 ft. There are 5 drop shafts. The alignment traverses the cities of Shrewsbury, Maplewood, Brentwood, Richmond Heights, Webster Groves and Ladue within St. Louis County.